The Washer,flat, cataloged under National Stock Number 5310-01-549-5741, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-549-5741 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Peripheral Shape Style | ROUND |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AWA60122 | C/1 Advisory reference — outside the item-of-supply concept Western Diesel Services, Inc. Dba Ck Power |
| AWA60122 | 3/9 Design control — primary reference C-K Power Products Corp |
NSN 5310-01-549-5741 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-549-5741: Peripheral Shape Style: ROUND; Part Name Assigned by Controlling Agency: NUMBER 12 FLAT WASHER; End Item Identification: 4320-01-524-4467; PUMP ASSEMBLY, FLAMMABLE LIQUID, BULK TRANSFER. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.